Home / 8,403.74-12,605.61-2,560.35

Finding the Fourth Proportional to 8,403.74, 12,605.61 and 2,560.35

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Solution

The fourth proportional to 8,403.74, 12,605.61 and 2,560.35 is: 3,840.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,403.74 : 12,605.61 = 2,560.35 : x
  2. Step 2: Convert to fraction form
    8,403.74/12,605.61 = 2,560.35/x
  3. Step 3: Cross multiply
    8,403.74x = 12,605.61 × 2,560.35
  4. Step 4: Simplify right side
    8,403.74x = 32,274,760.76
  5. Step 5: Solve for x
    x = 32,274,760.76/8,403.74
  6. Step 6: Final answer
    x = 3,840.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.